Home / 209,883.91-289,647.63-119,255.24

Finding the Fourth Proportional to 209,883.91, 289,647.63 and 119,255.24

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Solution

The fourth proportional to 209,883.91, 289,647.63 and 119,255.24 is: 164,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,883.91 : 289,647.63 = 119,255.24 : x
  2. Step 2: Convert to fraction form
    209,883.91/289,647.63 = 119,255.24/x
  3. Step 3: Cross multiply
    209,883.91x = 289,647.63 × 119,255.24
  4. Step 4: Simplify right side
    209,883.91x = 34,541,997,631.08
  5. Step 5: Solve for x
    x = 34,541,997,631.08/209,883.91
  6. Step 6: Final answer
    x = 164,576.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.